bridge.sh: clear up script

src/.local/bin/bridge.sh

@@ -1,6 +1,16 @@
 #!/bin/sh
 
-# Awful script I made to bridge calls from two services while also piping in audio
+# PulseAudio script to categorise audio streams
+#
+# - playing music while recording a call
+# - piping sound files into a call via virtual mic
+#
+# Use the -b switch for bridging
+# - connect calls from different applications
+
+
+
+# Important settings
 
 # Your real mic (pactl list short sources)
 mic="alsa_input.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.mono-fallback"
@@ -8,55 +18,76 @@ mic="alsa_input.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.mono-fallback"
 # Output sound to this sink (pactl list short sinks)
 out="alsa_output.usb-C-Media_Electronics_Inc._USB_Audio_Device-00.analog-stereo"
 
-# Name of the virtual mic output (combined mic and shared media)
+
+
+# Naming settings
+
+# Virtual mic for both voice and media
 virt_mic="virtual_mic"
 virt_mic_desc="Virtual\ mic"
 
-# Name of the media input sink
+# Input for media to pipe to call
 media_in="media_in"
 media_in_desc="Media\ input"
 
-# Name of the sink whose monitor will be used as the mic for the first call
+# Virtual mic for call
 c1_in="c1_in"
-c1_in_desc="C1\ input"
+c1_in_desc="Call\ input"
 
-# Name of the sink where the first call will be output
+# Output of call
 c1_out="c1_out"
-c1_out_desc="C1\ output"
+c1_out_desc="Call\ output"
 
-# Name of the sink whose monitor will be used as the mic for the second call
+# Virtual mic for bridged call
 c2_in="c2_in"
 c2_in_desc="C2\ input"
 
-# Name of the sink where the second call will be output
+# Output of bridged call
 c2_out="c2_out"
 c2_out_desc="C2\ output"
 
-# Create all the sinks
 
-pactl load-module module-null-sink sink_name="$media_in" sink_properties=device.description="'$media_in_desc'"
-pactl load-module module-null-sink sink_name="$virt_mic" sink_properties=device.description="'$virt_mic_desc'"
+
+MODE="normal"
+while getopts "b" o; do
+	case "${o}" in
+		b) MODE="bridge" ;;
+	esac
+done
+
+# Set up call input/output
+# Create sinks
 pactl load-module module-null-sink sink_name="$c1_out" sink_properties=device.description="'$c1_out_desc'"
 pactl load-module module-null-sink sink_name="$c1_in" sink_properties=device.description="'$c1_in_desc'"
-pactl load-module module-null-sink sink_name="$c2_out" sink_properties=device.description="'$c2_out_desc'"
-pactl load-module module-null-sink sink_name="$c2_in" sink_properties=device.description="'$c2_in_desc'"
+# Output to real speakers
+pactl load-module module-loopback source="$c1_out".monitor sink="$out"
 
-# Make connections between all sinks
-
-# Loop back real mic to the virtual mic
-pactl load-module module-loopback source="$mic" sink="$virt_mic"
-
-# Loop back media input to virtual mic
-pactl load-module module-loopback source="$media_in".monitor sink="$virt_mic"
-# Loop back media input to regular audio output
+# Set up media input
+# Create sink
+pactl load-module module-null-sink sink_name="$media_in" sink_properties=device.description="'$media_in_desc'"
+# Output to real speakers
 pactl load-module module-loopback source="$media_in".monitor sink="$out"
 
-# Loop combined output to both calls' inputs
+# Set up virtual mic
+# Create sink
+pactl load-module module-null-sink sink_name="$virt_mic" sink_properties=device.description="'$virt_mic_desc'"
+# Loop in real mic
+pactl load-module module-loopback source="$mic" sink="$virt_mic"
+# Loop in media input
+pactl load-module module-loopback source="$media_in".monitor sink="$virt_mic"
+# Output to call input
 pactl load-module module-loopback source="$virt_mic".monitor sink="$c1_in"
-pactl load-module module-loopback source="$virt_mic".monitor sink="$c2_in"
 
-# Loop the calls' outputs to each other's inputs and also local output
-pactl load-module module-loopback source="$c1_out".monitor sink="$out"
-pactl load-module module-loopback source="$c1_out".monitor sink="$c2_in"
-pactl load-module module-loopback source="$c2_out".monitor sink="$out"
-pactl load-module module-loopback source="$c2_out".monitor sink="$c1_in"
+# Bridging
+if [ $MODE = "bridge" ]; then
+	# Create bridged call input/output sinks
+	pactl load-module module-null-sink sink_name="$c2_out" sink_properties=device.description="'$c2_out_desc'"
+	pactl load-module module-null-sink sink_name="$c2_in" sink_properties=device.description="'$c2_in_desc'"
+	# Loop in virtual mic
+	pactl load-module module-loopback source="$virt_mic".monitor sink="$c2_in"
+	# Output to real speakers
+	pactl load-module module-loopback source="$c2_out".monitor sink="$out"
+	# Connect calls into each other
+	pactl load-module module-loopback source="$c1_out".monitor sink="$c2_in"
+	pactl load-module module-loopback source="$c2_out".monitor sink="$c1_in"
+fi

src/.local/bin/pulse_move.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+# pulse_move.sh [binary name] [sink name]
+#
+# Use pactl list short sinks to find sink names.
+# Will move all streams from a certain binary to the sink.
+
+
+SINK_ID=$(pactl -f json list short sinks |
+	jq -r ".[] | select(.name == \"$2\") | .index")
+
+pactl -f json list clients |
+	jq -r ".[] | select(.properties.\"application.process.binary\" == \"$1\") | .index" |
+while read -r clientindex; do
+	pactl -f json list short sink-inputs |
+		jq -r ".[] | select(.client == \"$clientindex\") | .index"
+done |
+while read -r inputindex; do
+	pacmd move-sink-input $inputindex $SINK_ID
+done